Pulmonary disease of neonates
Conditions
Interventions
Gold Standard:Clinical symptoms,signs and lung X-ray.
lung 
Sponsors
Chengdu Women's and Children's Central Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Informed consent of participants; 2. Single fetus with exact gestational age, early ultrasound examination of fetal development consistent with gestational age; 3. There were no signs of labor such as redness or contractions before Doppler measurement; 4. Glucocorticoids were not used before Doppler measurement.
Exclusion criteria
Exclusion criteria: 1. The puerpera did not have regular prenatal examination or the data of mother and infant could not be obtained; 2. Abnormal development and malformation of the fetus; 3. Small or large for gestational age; 4. Patients with acute labor who cannot complete pulmonary ultrasonography.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Inner diameter of the main pulmonary artery;Inner diameter of left and right pulmonary artery;SEN, SPE, ACC, AUC of ROC; | — |
Secondary
| Measure | Time frame |
|---|---|
| Acceleration time of main pulmonary artery;Ejection time of main pulmonary artery;Accelerated systolic time/ejection time (AT/ET) rate of main pulmonary artery;Peak systolic velocity of main pulmonary artery;End-diastolic velocity of main pulmonary artery;Average velocity of main pulmonary artery;Pulsatility index of main pulmonary artery;Resistance index of main pulmonary artery; | — |
Countries
China
Contacts
Public ContactGao Shuqiang
Chengdu Women's and Children's Central Hospital
Outcome results
None listed